local biz_name = "default_biz"

function _default_biz()
    return coroutine.create(function ()
        while true do
            reply.setContent("Unknown service")
            reply.setStatus(reply.status_type.ok)
            coroutine.yield()
        end
    end)
end


creators[biz_name] = function()
    f[biz_name] = _default_biz()
end
